Granted Patent
Utility
US 5,502,839 · App. 07/361,738
Object-oriented software architecture supporting input/output device independence
Inventor:
Frank C. Kolnick
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jun 2, 1989
Inventor
Frank C. Kolnick
Assignee (at issue)
Motorola, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.